I obtained a Woodrow Wilson Doctoral Fellowship and entered the graduate program in History at the University of California. With no Greek or French and minimal Latin and German, I was in no position to pursue my classical interests, so I began work at Berkeley with little more than an open mind.

The observation that money changes induce output changes in the same direction receives confirmation in some data sets but is hard to see in others. Large-scale reductions in money growth can be associated with large-scale depressions or, if carried out in the form of a credible reform, with no depression at all.